Wen he says " NO, yo soy la Maestra de ciencias." He does not go to Sciences class he talks with her though.
Abundance of large animals
decrease in sea levels
extinction of mammoths
increase in vegetation
warmer global climate.
Abundancia de animales grandes disminución del nivel del mar extinción de mamuts aumento de la vegetación clima global más cálidol
Estadounidense is correct
The answer is C. The question translates to "How many books are there?"